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An automobile of mass 1520 kilogram traveling at 24 m/s is at the foot of a hill that rises 130 meter in 2.6 kilometer. At the top of the hill, the speed of the automobile is 10 m/s. Obtain the average power delivered by the automobile engine, ignore any frictional losses.
Watts
Two wires, each 28.15 cm long, are connected to two separate 9.00 V batteries as shown in the figure. The resistance of the first wire is 5.00 Ω, and that of other wire is unknown (R). If the separation between the wires is 4.55 mm, what value of R w..
Light of wavelength 563 nm incident on a pair of slits produces an interference pattern on a distant screen in which the separation between adjacent bright fringes at the center of the pattern is 0.589 cm
A 22 child slides down a 2.4 -high playground slide. She starts from rest, and her speed at the bottom is 1.9 What is the change in thermal energy of the seat of her pants?
according to anna on earth bob is on a spaceship moving at 0.8c towards earth and carl a little farther out is on a
For a charged hollow metal sphere with total charge Q and radius R centered on the origin:
A disk with mass m = 6.0 kg and radius R = 0.41 m hangs from a rope attached to the ceiling. The disk spins on its axis at a distance r = 1.26 m from the rope and at a frequency f = 18.0 rev/s (with a direction shown by the arrow). 1) What is the mag..
A 130 lb subject did 33 lifts/min up a 30 cm step for 5 minutes, what was the work rate, power output and what was the total work done
At a constant speed of 55 km/h , an automobile travels 600m along a straight highway that is inclined 5.0 degrees to the horizontal. What is the cars vertical velocity magnitude
Two 2.30 cm x 2.30 cm plates that form a parallel-plate capacitor are charged to +- 0.714nC. Part A What is the potential difference across the capacitor if the spacing between the plates is 1.00mm? Part B What is the potential difference across t..
If the range of the projectile is 2.39 m, the time-of-flight is T = 0.919 s, and air resistance is turned off, determine the following. What is the launch angle of the projectile
Consider a loop of wire of radius a carrying a current I. The x-axis is perpendicular to the loop and passes through its center with the origin at the center of the loop. Looking in the positive x-direction at the loop from a point on the negative..
you connect five identical resistors in series to a battery whose emf is 12.0 v and whose internal resistance is
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